Java tutorial
import javax.swing.JButton; import javax.swing.JTabbedPane; public class Main { public static void main(String[] argv) throws Exception { JTabbedPane pane = new JTabbedPane(); pane.addTab("Tab Label", new JButton("Button")); // Get index of the new tab int index = pane.getTabCount() - 1; // Determine whether the tab is enabled boolean enabled = pane.isEnabledAt(index); // Disable the tab pane.setEnabledAt(index, false); } }